68544275 has 12 divisors (see below), whose sum is σ = 85100952. Its totient is φ = 54767040.

The previous prime is 68544269. The next prime is 68544319. The reversal of 68544275 is 57244586.

It is not a de Polignac number, because 68544275 - 2⁸ = 68544019 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31007 + ... + 33143.

It is an arithmetic number, because the mean of its divisors is an integer number (7091746).

Almost surely, 2^68544275 is an apocalyptic number.

68544275 is a deficient number, since it is larger than the sum of its proper divisors (16556677).

68544275 is a wasteful number, since it uses less digits than its factorization.

68544275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430 (or 3425 counting only the distinct ones).

The product of its digits is 268800, while the sum is 41.

The square root of 68544275 is about 8279.1469971248. The cubic root of 68544275 is about 409.2516091809.

The spelling of 68544275 in words is "sixty-eight million, five hundred forty-four thousand, two hundred seventy-five".